The Best Option for Drupal hosting, hands down
"Pantheon's automation is the best. Pantheon's dashboards and the isolation between dev, test, and production environments let us stage changes for public, client review. Then, once the client approves the changes, it's only one click to deploy. It's also one-click for most Drupal core upgrades.
Pantheon is also high performance -- they somehow handle varnish caching automatically without..."